Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Intermediate Rigging (BOOM VOC) Test | Questions and Answers | Latest 2025 / 2026 Update, Exams of Civil Engineering

Intermediate Rigging (BOOM VOC) Test | Questions and Answers | Latest 2025 / 2026 Update | 100 out of 100 | GRADED A

Typology: Exams

2024/2025

Available from 06/20/2025

ProfGoodluck
ProfGoodluck 🇺🇸

3.9

(8)

1.6K documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Intermediate Rigging (BOOM VOC) Test | Questions
and Answers | Latest 2025 / 2026 Update | 100 out of
100 | GRADED A
.
Question:
What factor would you apply in determining the minimum capacity requirement for cranes,
slings etc for use in a dual crane lift?
Answer:
20% reduction for each crane
Question:
When using more than one crane for a lift, how many crane motions would you direct at any one
time?
Answer:
One
Question:
When rotating a load using two cranes, how much weight must the primary crane be capable of
carrying?
Answer:
100% of the load
Question:
Is a person with a basic rigger certificate allowed to supervise dual crane lifts?
pf3
pf4

Partial preview of the text

Download Intermediate Rigging (BOOM VOC) Test | Questions and Answers | Latest 2025 / 2026 Update and more Exams Civil Engineering in PDF only on Docsity!

Intermediate Rigging (BOOM VOC) Test | Questions

and Answers | Latest 2025 / 2026 Update | 100 out of

100 | GRADED A

Question:

What factor would you apply in determining the minimum capacity requirement for cranes, slings etc for use in a dual crane lift?

Answer:

20% reduction for each crane

Question:

When using more than one crane for a lift, how many crane motions would you direct at any one time?

Answer:

One

Question:

When rotating a load using two cranes, how much weight must the primary crane be capable of carrying?

Answer:

100% of the load

Question:

Is a person with a basic rigger certificate allowed to supervise dual crane lifts?

Answer:

No

Question:

Calculate the required minimum crane capacity for each crane where two cranes are used to lift a 35 tonne beam and the sling pints are located at equal distance from each end?

Answer:

35t divided by 2 = 17.5 x 20% = 21t Each crane must have a capacity of 21t at the required radius

Question:

When rotating a load using the main and auxiliary hooks on a single crane, how ` much weight must the whip line or auxiliary hook be capable of carrying?

Answer:

20% less than its rated capacity

Question:

What is the minimum amount of clearance required between the top layer of rope and the rim of the flange of a winch drum?

Answer:

A minimum of two full turns on the winch drum

Question:

How would you determine the fleet angle for an un-grooved winch drum?

60 degrees